Behavioral task
behavioral1
Sample
55ea9cc5ec31fcfcecc17004acabcc0e_JaffaCakes118.exe
Resource
win7-20240903-en
General
-
Target
55ea9cc5ec31fcfcecc17004acabcc0e_JaffaCakes118
-
Size
649KB
-
MD5
55ea9cc5ec31fcfcecc17004acabcc0e
-
SHA1
def8b0c9d9f47165108ea4e4b80383ab9d0a0a25
-
SHA256
b26f8b9a46b5ed60c0a38f25ac75130755a554356ef5b3f89c6903ed5b362ab3
-
SHA512
5dc731627036bafe635f96d17979e858538b15f7f272d7cacef0df326fed20ba936c282c0301193a90a0bab18cbba58623ff9ff983595745b346132634b9fe90
-
SSDEEP
12288:HX6i9LMXwyhCnY8Bj4lWfuQPnZ2GfPprjnam71FAtwlCVjdf:oXBCnY8BMlWfuQPnZ2kpXRFAtwCVxf
Malware Config
Signatures
-
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/out.upx
Files
-
55ea9cc5ec31fcfcecc17004acabcc0e_JaffaCakes118.exe windows:4 windows x86 arch:x86
Code Sign
70:ba:e4:1d:10:d9:29:34:b6:38:ca:7b:03:cc:ba:bfCertificate
IssuerOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=USNot Before29/01/1996, 00:00Not After01/08/2028, 23:59SubjectOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=US38:25:d7:fa:f8:61:af:9e:f4:90:e7:26:b5:d6:5a:d5Certificate
IssuerCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USNot Before15/06/2007, 00:00Not After14/06/2012, 23:59SubjectCN=VeriSign Time Stamping Services Signer - G2,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageDigitalSignature
KeyUsageContentCommitment
47:bf:19:95:df:8d:52:46:43:f7:db:6d:48:0d:31:a4Certificate
IssuerCN=Thawte Timestamping CA,OU=Thawte Certification,O=Thawte,L=Durbanville,ST=Western Cape,C=ZANot Before04/12/2003, 00:00Not After03/12/2013, 23:59SubjectCN=VeriSign Time Stamping Services CA,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageTimeStamping
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
41:91:a1:5a:39:78:df:cf:49:65:66:38:1d:4c:75:c2Certificate
IssuerOU=Class 3 Public Primary Certification Authority,O=VeriSign\, Inc.,C=USNot Before16/07/2004, 00:00Not After15/07/2014, 23:59SubjectCN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=USExtended Key Usages
ExtKeyUsageClientAuth
ExtKeyUsageCodeSigning
Key Usages
KeyUsageCertSign
KeyUsageCRLSign
4c:1b:73:6b:c6:71:4c:7d:a3:b1:d3:3e:ad:b3:3a:2bCertificate
IssuerCN=VeriSign Class 3 Code Signing 2004 CA,OU=VeriSign Trust Network+OU=Terms of use at https://www.verisign.com/rpa (c)04,O=VeriSign\, Inc.,C=USNot Before20/10/2006, 00:00Not After21/10/2009, 23:59SubjectCN=REALTIME GAMING,OU=Digital ID Class 3 - Microsoft Software Validation v2,O=REALTIME GAMING,L=Sandy Springs,ST=Georgia,C=USExtended Key Usages
ExtKeyUsageCodeSigning
Key Usages
KeyUsageDigitalSignature
ca:2a:ce:1e:ea:21:0d:f7:90:1f:1d:5e:d5:03:e2:0b:df:ae:ab:1cSigner
Actual PE Digestca:2a:ce:1e:ea:21:0d:f7:90:1f:1d:5e:d5:03:e2:0b:df:ae:ab:1cDigest Algorithmsha1PE Digest MatchestrueHeaders
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 1.2MB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 376KB - Virtual size: 380KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 266KB - Virtual size: 268KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
-
out.upx.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 576KB - Virtual size: 574KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 84KB - Virtual size: 81KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 332KB - Virtual size: 340KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 564KB - Virtual size: 560KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ